BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

KLINGENSTEIN FIELDS & CO LP's Holding History (CIK: 0000859872)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 191,013 Value ($000) $96,013 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 192,378 Value ($000) $96,716 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 196,933 Value ($000) $95,664 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 209,407 Value ($000) $111,526 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 213,623 Value ($000) $96,831 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 215,230 Value ($000) $99,062 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 215,475 Value ($000) $87,655 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 218,681 Value ($000) $91,960 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 221,105 Value ($000) $78,859 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 227,783 Value ($000) $79,792 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 230,421 Value ($000) $78,574 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 231,443 Value ($000) $71,463 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 233,897 Value ($000) $72,251 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 235,514 Value ($000) $62,887 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 235,251 Value ($000) $64,228 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 246,520 Value ($000) $86,999 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 251,657 Value ($000) $75,245 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 260,761 Value ($000) $71,172 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 265,755 Value ($000) $73,859 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 271,809 Value ($000) $69,439 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 278,862 Value ($000) $64,660 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 278,859 Value ($000) $59,381 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 280,587 Value ($000) $50,088 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 280,324 Value ($000) $51,252 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 286,083 Value ($000) $64,798 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 290,265 Value ($000) $60,381 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 301,136 Value ($000) $64,194 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 302,340 Value ($000) $60,737 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 871,523 Value ($000) $177,948 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 956,686 Value ($000) $204,836 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 992,536 Value ($000) $185,257 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 977,483 Value ($000) $194,988 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 956,752 Value ($000) $189,647 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 958,434 Value ($000) $175,700 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 959,289 Value ($000) $162,475 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 960,873 Value ($000) $160,158 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 960,125 Value ($000) $156,481 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 950,245 Value ($000) $137,282 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 947,024 Value ($000) $137,119 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 935,115 Value ($000) $132,674 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 958,625 Value ($000) $126,577 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 971,704 Value ($000) $126,710 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 971,074 Value ($000) $132,173 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 974,768 Value ($000) $140,679 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 975,243 Value ($000) $146,432 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 976,646 Value ($000) $134,914 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 981,992 Value ($000) $124,280 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 990,865 Value ($000) $123,828 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 1,179,926 Value ($000) $139,892 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 1,194,860 Value ($000) $135,629 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 1,371,230 Value ($000) $153,469 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	191,013	$96,013	$497.53	$473.15 - $516.85
Q3 2025	192,378	$96,716	$484.36	$455.19 - $507.66
Q2 2025	196,933	$95,664	$507.86	$462.10 - $542.07
Q1 2025	209,407	$111,526	$486.15	$440.10 - $537.63
Q4 2024	213,623	$96,831	$461.73	$437.90 - $491.67
Q3 2024	215,230	$99,062	$442.18	$403.82 - $484.82
Q2 2024	215,475	$87,655	$408.62	$395.66 - $424.52
Q1 2024	218,681	$91,960	$393.34	$355.94 - $430.00
Q4 2023	221,105	$78,859	$350.99	$330.58 - $364.05
Q3 2023	227,783	$79,792	$354.77	$338.41 - $373.34
Q2 2023	230,421	$78,574	$326.37	$307.07 - $342.50
Q1 2023	231,443	$71,463	$308.18	$292.42 - $321.32
Q4 2022	233,897	$72,251	$296.98	$259.85 - $319.56
Q3 2022	235,514	$62,887	$284.56	$261.55 - $308.15
Q2 2022	235,251	$64,228	$313.72	$263.68 - $354.58
Q1 2022	246,520	$86,999	$323.46	$294.81 - $362.10
Q4 2021	251,657	$75,245	$286.41	$272.22 - $301.65
Q3 2021	260,761	$71,172	$280.86	$270.73 - $291.82
Q2 2021	265,755	$73,859	$279.44	$254.80 - $295.08
Q1 2021	271,809	$69,439	$242.84	$226.10 - $267.50
Q4 2020	278,862	$64,660	$220.20	$197.81 - $234.99
Q3 2020	278,859	$59,381	$204.56	$177.34 - $223.24
Q2 2020	280,587	$50,088	$182.62	$167.04 - $203.33
Q1 2020	280,324	$51,252	$212.55	$159.50 - $231.61
Q4 2019	286,083	$64,798	$217.17	$201.33 - $228.23
Q3 2019	290,265	$60,381	$206.04	$195.40 - $216.58
Q2 2019	301,136	$64,194	$206.92	$196.89 - $219.16
Q1 2019	302,340	$60,737	$201.85	$191.04 - $209.40
Q4 2018	871,523	$177,948	$208.87	$186.10 - $224.07
Q3 2018	956,686	$204,836	$205.18	$185.72 - $223.00
Q2 2018	992,536	$185,257	$194.92	$184.75 - $202.77
Q1 2018	977,483	$194,988	$205.34	$189.30 - $217.62
Q4 2017	956,752	$189,647	$189.88	$180.44 - $200.50
Q3 2017	958,434	$175,700	$176.72	$168.00 - $184.00
Q2 2017	959,289	$162,475	$166.33	$160.93 - $171.95
Q1 2017	960,873	$160,158	$167.31	$158.61 - $177.86
Q4 2016	960,125	$156,481	$153.96	$141.92 - $167.25
Q3 2016	950,245	$137,282	$146.25	$140.95 - $151.05
Q2 2016	947,024	$137,119	$142.96	$136.65 - $148.03
Q1 2016	935,115	$132,674	$132.58	$123.55 - $143.40
Q4 2015	958,625	$126,577	$134.20	$127.46 - $138.62
Q3 2015	971,704	$126,710	$137.00	$125.50 - $144.69
Q2 2015	971,074	$132,173	$142.63	$136.08 - $148.57
Q1 2015	974,768	$140,679	$147.14	$142.50 - $151.69
Q4 2014	975,243	$146,432	$144.37	$132.03 - $152.94
Q3 2014	976,646	$134,914	$133.21	$122.72 - $142.45
Q2 2014	981,992	$124,280	$126.57	$121.09 - $129.73
Q1 2014	990,865	$123,828	$116.85	$108.12 - $125.91
Q4 2013	1,179,926	$139,892	$115.63	$110.84 - $118.66
Q3 2013	1,194,860	$135,629	$115.36	$110.72 - $119.30
Q2 2013	1,371,230	$153,469	$110.02	$102.69 - $115.98